The best vaccine imaginable is only valuable to the extent we get it to everyone who needs it.

As many times as [HIV] changes its clothes, it's still wearing the same socks, and now our job is to make sure we get the body to really hate those socks.

Investments in immunization yield a rate of return on a par with educating our children - and higher than nearly any other development intervention.

As variable as flu is, HIV makes flu look like the Rock of Gibraltar. The virus that causes AIDS is the trickiest pathogen scientists have ever confronted.

Leadership is about vision and responsibility, not power.

We've actually eliminated Type II polio in the world, at least as far as we can tell.

When it comes to providing aid, developing innovations and making bold steps that change the course of history, the United States is usually on the front lines.

We make choices every day, some of them good, some of them bad. And if we are strong enough, we live with the consequences.

I am constantly torn between killing myself and killing everyone around me. Those seem to be the two choices. Everything else is just killing time.

It is within the boundaries of reflection we are able to become aware of insights that can lead us to understanding.

You tell me over and over and over again, my friend, you don't believe we're on the eve of destruction.

Most people were raised to believe they are just as good as the next person. I was always told I was better.

To me thin people never had any meaningful problems.

Most people spend far more time in preparation for their vocation than they do in preparation for marriage.

The promise of eternal life makes people forsake the life they're given.

I love Polaroids and I have a Polaroid camera collection from the '50s.

As a student of American culture, I am willing to argue that the Twist is a valid manifestation of the Age of Anxiety.